Algebra 1 (Board 2)

Factoring

100

6x+18

Factor

6(x+3)

200

x^2+8x+15

Factor

(x+3)(x+5)

300

x^2-25

Factor

(x-5)(x+5)

400

3x^2+15x

Factor 

3x(x+5)

500

2x^2+7x+3

Factor COMPLETELY

(2x+1)(x+3)

Quadratic Functions

100

y=(x-2)^2+5

What is the vertex?

(2,5)

200

f(x)=x^2

Does this open upwards or downwards?

Upwards

300

The axis of symmetry of 

y=(x+4)^2-7

is?

x=-4

400

Find the vertex of 

f(x)=x^2-6x+8

(3,-1)

500

What are the x-intercepts?

y=x^2-9

(-3,0), (3,0)

Quadratic Equations

100

x^2=49

x=7, x=-7

200

x^2-16=0

x=4,x=-4

300

x^2+5x+6=0

Solve by factoring

x=-2, x=-3

400

x^2-10x+25=0

Solve

x=5

500

x^2+2x+8

Solve with the quadratic formula

x=2, x=-4

Radicals and Irrational Numbers

100

√64

square root of 64 is

8

200

√45

Simplify

3√5

300

Simplify

4√3+2√3

6√3

400

Rationalize the denomiantor

5/√5

√5

500

is √18 rational or irrational?

irrational

Sequences

100

Find the next number

3, 6, 9, 12, ...

15

200

What is the common difference

5, 9, 13, 17, ...

4

300

What is the next term in the geometric sequence?

2, 6, 18, 54, ..

162

400

Find the 10th term in the sequence..

4, 7, 10 , 13, ...

31

500

Write a formula for the sequence for the Nth term and then simplify...

7, 12, 17, 22, ...

ace of n= 5n+2